LOCATION

LL31 9AL - Flood, Heat, Air & Subsidence Risk - Llandudno Junction

Conwy, Llandudno Junction

Flood: Very lowHeat: LowerAir quality: LowGround: Low

Climate risk summary for LL31 9AL

LL31 9AL in Llandudno Junction has a Very low flood risk. Heat risk is Lower, with a median (50th percentile) of 8 days above 25°C per year, averaged over the 2021-2040 period under the RCP8.5 high emissions scenario (Met Office UKCP18). Air quality is Low at PM2.5 4.7 μg/m³, within the WHO annual guideline of 5 μg/m³ (Defra UK-AIR). Ground conditions are Low risk, with Glacial Till geology; shrink-swell risk is classed as improbable (BGS GeoClimate).

How does LL31 9AL compare with the rest of the UK?

  • Air pollution: cleaner than 92% of councils
  • Heat risk: cooler than 85% of councils
  • Subsidence risk: lower risk than 58% of postcodes

What is the flood risk in LL31 9AL?

Flood risk at LL31 9AL is rated Very Low, based on Natural Resources Wales flood mapping.

Natural Resources Wales flood zone data shows very low flood risk for LL31 9AL in Llandudno Junction. The band reflects the highest flood risk within the postcode; some properties within this postcode may face little or no direct flood risk. For a specific property, a conveyancing search will confirm the exact flood zone position.

How is the air quality in LL31 9AL?

Air quality at LL31 9AL is rated Low, based on Defra UK-AIR annual mean PM2.5 data. Fine particulate matter (PM2.5) comes primarily from road traffic, industry, and domestic burning. Long-term exposure above the WHO guideline of 5 µg/m³ is linked to respiratory and cardiovascular health risks. Buyers and renters in higher air quality risk areas may wish to consider whether the property is near busy roads or industrial sources.

Is subsidence a risk at LL31 9AL?

British Geological Survey data classes the underlying soil at LL31 9AL as Glacial Till, with shrink-swell hazard rated improbable (subsidence risk band: Low). A structural survey is the reliable way to assess ground conditions for a specific property.

Where does this data come from?

This LocalRisk report for LL31 9AL draws on four official UK open data sources: Natural Resources Wales flood mapping, Met Office UKCP18 climate projections, Defra UK-AIR PM2.5 monitoring, and British Geological Survey GeoClimate subsidence mapping. Risk ratings are a screening tool, complementing - not replacing - the searches and surveys ordered as part of a property transaction. Data covers Conwy and is updated as new official datasets are published.

About the Conwy area

Conwy has a mixed coastal and upland setting spanning river valleys, mountains and seaside towns and experiences cool, wet winters and mild summers, influenced by Atlantic weather and steep catchments.

Climate risk can change street by street, so it is worth checking neighbouring postcodes too. The full risk report for LL31 9AB is at localrisk.co.uk/postcode/LL319AB, and you can compare LL31 9AL side by side with any UK postcode at localrisk.co.uk/compare.